4.4.16版本的emqx配置能在5.7.2版本上使用吗，刚刚启动的时候失败了

EMQX
1

ERROR: call_hocon_failed: -s emqx_conf_schema -c /opt/emqx/etc/emqx.conf multi_get node.data_dir node.name node.cookie node.db_backend cluster.proto_dist node.dist_net_ticktime
[error]: {scan_error,#{line => 289,reason => “illegal characters "/c"”,file => “/opt/emqx/etc/emqx.conf”}}

ERROR: call_hocon_failed: -s emqx_conf_schema -c /opt/emqx/etc/emqx.conf multi_get node.data_dir node.name node.cookie node.db_backend cluster.proto_dist node.dist_net_ticktime
[error]: {scan_error,#{line => 289,reason => “illegal characters "/c"”,file => “/opt/emqx/etc/emqx.conf”}}

ERROR: call_hocon_failed: -s emqx_conf_schema -c /opt/emqx/etc/emqx.conf multi_get node.data_dir node.name node.cookie node.db_backend cluster.proto_dist node.dist_net_ticktime

[error]: {scan_error,#{line => 670,reason => “illegal characters "/a"”,file => “/opt/emqx/etc/emqx.conf”}}

ERROR: call_hocon_failed: -s emqx_conf_schema -c /opt/emqx/etc/emqx.conf multi_get node.data_dir node.name node.cookie node.db_backend cluster.proto_dist node.dist_net_ticktime

[error]: {scan_error,#{line => 670,reason => “illegal characters "/a"”,file => “/opt/emqx/etc/emqx.conf”}}

ERROR: call_hocon_failed: -s emqx_conf_schema -c /opt/emqx/etc/emqx.conf multi_get node.data_dir node.name node.cookie node.db_backend cluster.proto_dist node.dist_net_ticktime

[error]: {scan_error,#{line => 670,reason => “illegal characters "/a"”,file => “/opt/emqx/etc/emqx.conf”}}

ERROR: call_hocon_failed: -s emqx_conf_schema -c /opt/emqx/etc/emqx.conf multi_get node.data_dir node.name node.cookie node.db_backend cluster.proto_dist node.dist_net_ticktime

[error]: {scan_error,#{line => 670,reason => “illegal characters "/a"”,file => “/opt/emqx/etc/emqx.conf”}}

2

完全不能，老老实实在新的版本上配置吧。
PS：最后用新版本，不要用 5.7.2 了。不然后面又要整升级。再不济到 5.8.8

3

5.7.2现在是有什么问题吗，这个应该是开源的吧，从dockerhub下载的这个镜像，如果是开源版本是不是单台机器支持10w的连接数

4

都支持，没什么区别。

没有问题，就是你会错过 5.7.2到 5.8.8 上研发人员夜以继日的修复和更新 feature。
参考一下 changelog